"Frost giants" refers to giant-like creatures in mythology and fiction that are associated with cold, icy environments. They are often depicted as extremely large beings with superhuman strength and a connection to winter or frost. Full definition
Adventurers will travel north to Bryn Shander — the heart of the Ten Towns — to investigate the sudden presence of frost giants in the region. (gaminginstincts.com)
These Play Sets each only support a handful of the available figures, although Infinity 2.0 features hidden collectibles that can be gathered to allow one of a couple of «guest» characters to be played with a Play Set, so you'll have a chance to fight frost giants in Manhattan with Rocket Raccoon. (gamerstemple.com)